﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.ServiceModel;
using GNF.Geo;

namespace GNF.GNFService.GNFClient
{
    //a call back that return GPSData
    /// <summary>
    /// a callback the return a dated GPSData class
    /// </summary>
    [ServiceContract]
    public interface IGPSDataCallback
    {
        [OperationContract(IsOneWay = true)]
        void OnDataChanged(GPSData message, DateTime timestamp);
        
    }
   
}
